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added GL_ARB_texture_mirrored_repeat

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This commit is contained in:
Brian Paul
2001-10-17 13:31:07 +00:00
parent 470d3cd4a2
commit e11f089f82
5 changed files with 56 additions and 18 deletions
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4
src/mesa/main/extensions.c
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@@ -1,4 +1,4 @@
/* $Id: extensions.c,v 1.64 2001/08/13 18:09:34 brianp Exp $ */
/* $Id: extensions.c,v 1.65 2001/10/17 13:31:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -65,6 +65,7 @@ static struct {
{ OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) },
{ OFF, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine) },
{ OFF, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3) },
{ OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
{ ON, "GL_ARB_transpose_matrix", 0 },
{ ON, "GL_EXT_abgr", 0 },
{ ON, "GL_EXT_bgra", 0 },
@@ -138,6 +139,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
"GL_ARB_texture_env_add",
"GL_ARB_texture_env_combine",
"GL_ARB_texture_env_dot3",
"GL_ARB_texture_mirrored_repeat",
"GL_EXT_blend_color",
"GL_EXT_blend_func_separate",
"GL_EXT_blend_logic_op",

10
src/mesa/main/glheader.h
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@@ -1,4 +1,4 @@
/* $Id: glheader.h,v 1.22 2001/07/16 15:54:23 brianp Exp $ */
/* $Id: glheader.h,v 1.23 2001/10/17 13:31:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -260,4 +260,12 @@ typedef struct tagPIXELFORMATDESCRIPTOR PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESC
typedef union { GLfloat f; GLint i; } fi_type;
#ifndef GL_MIRRORED_REPEAT_ARB
#define GL_MIRRORED_REPEAT_ARB 0x8370
#endif
#ifndef GL_ARB_texture_mirrored_repeat
#define GL_ARB_texture_mirrored_repeat 1
#endif
#endif /* GLHEADER_H */

3
src/mesa/main/mtypes.h
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@@ -1,4 +1,4 @@
/* $Id: mtypes.h,v 1.50 2001/07/28 19:28:49 keithw Exp $ */
/* $Id: mtypes.h,v 1.51 2001/10/17 13:31:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1202,6 +1202,7 @@ struct gl_extensions {
GLboolean ARB_texture_cube_map;
GLboolean ARB_texture_env_combine;
GLboolean ARB_texture_env_dot3;
GLboolean ARB_texture_mirrored_repeat;
GLboolean EXT_blend_color;
GLboolean EXT_blend_func_separate;
GLboolean EXT_blend_logic_op;

24
src/mesa/main/texstate.c
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@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.57 2001/09/18 23:06:14 kschultz Exp $ */
/* $Id: texstate.c,v 1.58 2001/10/17 13:31:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -140,16 +140,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA_EXT:
if (!ctx->Extensions.EXT_texture_env_dot3) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
break;
case GL_DOT3_RGB_ARB:
case GL_DOT3_RGBA_ARB:
if (!ctx->Extensions.ARB_texture_env_dot3) {
if (!ctx->Extensions.EXT_texture_env_dot3 &&
!ctx->Extensions.ARB_texture_env_dot3) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
@@ -929,7 +923,9 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
eparam==GL_REPEAT ||
eparam==GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
ctx->Extensions.ARB_texture_border_clamp)) {
ctx->Extensions.ARB_texture_border_clamp) ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
ctx->Extensions.ARB_texture_mirrored_repeat)) {
texObj->WrapS = eparam;
}
else {
@@ -944,7 +940,9 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
eparam==GL_REPEAT ||
eparam==GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
ctx->Extensions.ARB_texture_border_clamp)) {
ctx->Extensions.ARB_texture_border_clamp) ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
ctx->Extensions.ARB_texture_mirrored_repeat)) {
texObj->WrapT = eparam;
}
else {
@@ -959,7 +957,9 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
eparam==GL_REPEAT ||
eparam==GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
ctx->Extensions.ARB_texture_border_clamp)) {
ctx->Extensions.ARB_texture_border_clamp) ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
ctx->Extensions.ARB_texture_mirrored_repeat)) {
texObj->WrapR = eparam;
}
else {

33
src/mesa/swrast/s_texture.c
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@@ -1,4 +1,4 @@
/* $Id: s_texture.c,v 1.39 2001/09/19 20:30:44 kschultz Exp $ */
/* $Id: s_texture.c,v 1.40 2001/10/17 13:31:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -92,6 +92,19 @@
I0 = IFLOOR(U); \
I1 = I0 + 1; \
} \
else if (wrapMode == GL_MIRRORED_REPEAT_ARB) { \
const GLint flr = IFLOOR(S); \
if (flr & 1) \
U = 1.0 - (S - (GLfloat) flr); /* flr is odd */ \
else \
U = S - (GLfloat) flr; /* flr is even */ \
I0 = IFLOOR(U); \
I1 = I0 + 1; \
if (I0 < 0) \
I0 = 0; \
if (I1 >= (GLint) SIZE) \
I1 = SIZE - 1; \
} \
else { \
ASSERT(wrapMode == GL_CLAMP); \
if (S <= 0.0F) \
@@ -142,6 +155,22 @@
else \
I = IFLOOR(S * SIZE); \
} \
else if (wrapMode == GL_MIRRORED_REPEAT_ARB) { \
const GLfloat min = 1.0F / (2.0F * SIZE); \
const GLfloat max = 1.0F - min; \
const GLint flr = IFLOOR(S); \
GLfloat u; \
if (flr & 1) \
u = 1.0 - (S - (GLfloat) flr); /* flr is odd */ \
else \
u = S - (GLfloat) flr; /* flr is even */ \
if (u < min) \
I = 0; \
else if (u > max) \
I = SIZE - 1; \
else \
I = IFLOOR(u * SIZE); \
} \
else { \
ASSERT(wrapMode == GL_CLAMP); \
/* s limited to [0,1] */ \
@@ -2133,8 +2162,6 @@ texture_combine(const GLcontext *ctx,
}
}
break;
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA_EXT:
case GL_DOT3_RGB_ARB:
case GL_DOT3_RGBA_ARB:
{